20124126519

素因数分解:

$3^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{447173}}^1$

素因数の和:449326

約数の個数: 16

約数和(自身を含む): 30679713792

約数和(自身を除く): 10555587273

約数列:

[1, 3, 7, 21, 2143, 6429, 15001, 45003, 447173, 1341519, 3130211, 9390633, 958291739, 2874875217, 6708042173, 20124126519]

約数ペア:

[(1, 20124126519), (3, 6708042173), (7, 2874875217), (21, 958291739), (2143, 9390633), (6429, 3130211), (15001, 1341519), (45003, 447173)]